Hirschmann Dragon PTN Series User Manual
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Summary of Contents for Hirschmann Dragon PTN Series
- Page 1 User Manual Installation Dragon PTN Interface Module PTN-4-CODIR Interface Module PTN-4-CODIR Technical Support Release 01 02/2018 https://hirschmann-support.belden.com...
- Page 2 In addition, we refer to the conditions of use specified in the license contract. You can get the latest version of this manual on the Internet at the Hirschmann product site www.doc.hirschmann.com Hirschmann Automation and Control GmbH Stuttgarter Str.
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Page 3: Table Of Contents
Contents INTRODUCTION ......................5 General ..................5 Manual References ..............6 MODULE DESCRIPTION ...................... 7 Front Panel .................. 7 2.1.1 Handle .................... 7 2.1.2 LEDs ....................8 2.1.3 RJ-45 Ports and Cables ..............8 Functional Operation ..............9 2.2.1 General ................... 9 2.2.2 ITU-T G.703 Code Conversion 64kbps ........... - Page 4 List of figures Figure 1 Codirectional Interface ......................5 Figure 2 General 64 kbps Example ....................6 Figure 3 Front Panel ......................... 7 Figure 4 RJ-45 Connector ......................... 8 Figure 5 Detailed Function 64 kbps Example ................... 9 Figure 6 ITU-T G.703 Code Conversion 64 kbps ................10 Figure 7 General SAToP Example ....................
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Page 5: Introduction
1. INTRODUCTION 1.1 General This document is valid as of Dragon PTN Release 3.0DR. The 4-CODIR interface module (=IFM) can transport four 64 kbps links, point-to-point over the Dragon PTN network according the ITU G.703 standard, see §2.2.2 for more information. 4-CODIR refers to ‘4 ports –... -
Page 6: Manual References
MPLS-TP Dragon PTN Network Dragon PTN Node WAN (via SFP on fiber) 64 kbps Module 4-CODIR Packetized 64 kbps via SAToP or CESoPSN 64 kbps 64 kbps Links Links Line Protection Line Protection Relais Relais Figure 2 General 64 kbps Example 1.2 Manual References Table 1 is an overview of the manuals referred to in this manual. -
Page 7: Module Description
2. MODULE DESCRIPTION 2.1 Front Panel Fastening screw Handle Spare LEDs Port 1, 2, 3, 4: 64 kbps ports Figure 3 Front Panel 2.1.1 Handle a. Insert the Module into the Node Take the front panel handles to insert or slide the module into the Dragon PTN node. Push the module thoroughly into the node’s backplane. -
Page 8: Leds
2.1.2 LEDs The meaning of the LEDs depends on the mode of operation (= boot or normal) in which the 4-CODIR module currently is running. After plugging in the module or rebooting it, the module turns into the boot operation, see Table 2. After the module has gone through all the cycles in the table below (=rebooted successfully), the module turns into the normal operation, see LEDs in Table 3. -
Page 9: Functional Operation
Table 4 RJ-45 Connector: Pin Assignments Pin Number Description Cable Wire Colors Rx (Receive) RING Rx (Receive) TIP WH/OG Not connected Tx (Transmit) RING Tx (Transmit) TIP WH/BU 6, 7, 8 Not connected 2.2 Functional Operation 2.2.1 General An application network (e.g. LAN1) can be connected to the MPLS-TP Dragon PTN network via one of the 4 front ports. -
Page 10: Itu-T G.703 Code Conversion 64Kbps
2.2.2 ITU-T G.703 Code Conversion 64kbps The ITU-T G.703 standard defines for the 64 Kbps codirectional interface the following five steps for AMI coding (step1->5) / decoding (step5->1) a binary data stream: 1. (network side) A 64 kbps bit period is divided into four unit intervals; 2. -
Page 11: Ces: Cesopsn
64 kbps channel ‘X’ 64 kbps channel ‘X’ MPLS-TP Dragon PTN 64 kbps port 64 kbps port SAToP ‘X’ 1 signaling + 30 1 used empty timeslots timeslot Optimal delay Figure 7 General SAToP Example 2.2.4 CES: CESoPSN CESoPSN is a point-to-point CES which only sends one E1 timeslot including the 64 kbps channel, over the MPLS-TP Dragon PTN network. -
Page 12: Single Path
Hitless Switching is a redundant mechanism but differs from Protection Switching, see the table below for an overview. So if redundancy is needed in the service, either choose Hitless Switching or Protection Switching, mixing up both mechanisms is not allowed. Depending on the choice, settings must be done at tunnel creation time and/or service creation time. -
Page 13: Figure 10 Single Path Enabled
if the slowest path came up first: the CES starts up according to the slowest path; no CES interrupt or packet loss when the fastest path comes up later on; See §2.2.7 for a delay comparison within CES depending on the enabled sub features, see also further on. -
Page 14: Delay Comparison In Ces (Features)
2.2.7 Delay Comparison in CES (Features) Table 6 Delay Comparison in CES (Features) CES Hitless Switching Single Path Resulting Delay lowest medium highest X = enabled; --- = disabled 2.2.8 I/O with the Central Switching Module (=CSM) The 4-CODIR module receives 64 kbps traffic via its front panel ports and converts this into Ethernet traffic which is forwarded to the CSM via the backplane. -
Page 15: Figure 12 Clocking: Application D Slaves To Application A Via Dragon Ptn
Clock Clock Master Slave Internal Adaptive Dragon Internal Differential Dragon SyncE, PRC SyncE, PRC Figure 12 Clocking: Application D Slaves to Application A via Dragon PTN Clock Clock Clock Slave Master Slave Internal Adaptive Dragon Internal Internal Dragon SyncE, PRC SyncE, PRC Figure 13 Clocking: Both Application A and D Slave to Dragon PTN Clock Master Interface Module PTN-4-CODIR... -
Page 16: Test And Loopback Selftests
Table 7 Clocking Parameters on Port & Service Level Port A: Port B: Service: Port C: Port D: Clock Clock Differential Clock Clock Description Source Source Clocking Source Source Application D slaves to application A via Dragon PTN ‘Internal ‘Rx Clock' Unchecked ‘Adaptive/ ‘Rx Clock'... -
Page 17: Onboard Interfaces
BERT: test traffic generation and verification via Bit Error Ratio Tester. CAUTION: enabling selftests disables or disturbs normal service traffic on a port! For more information and configuration settings, see 'Test and Loopback' in Ref.[1] in Table 1. 2.3 Onboard Interfaces Hardware Edition Figure 14 4-CODIR: Side View... -
Page 18: Tdm Frames/Packet
Figure 15 Hardware Edition 3. TDM FRAMES/PACKET 3.1 General In a CES service, the amount of TDM Frames per Ethernet packet is an important setting because it influences the amount of consumed bandwidth and delay through the network. The more TDM Frames/Packet, the less bandwidth is used but the bigger the total delay through the network. -
Page 19: Delay Parameters
Path Delay: Delay from source to destination over the MPLS-TP network path; can be measured by HiProvision via OAM delay measurement for the specific service; Path Delay = Delay external network (if any) + 5µs/km + 10µs/node; DP (=Depacketization Delay): Delay to decode MPLS-TP packets into 64 kbps output; DPh: Extra Depacketizing Delay due to hitless switching;... -
Page 20: Estimated Delay Calculation And Formulas
3.3.3 Estimated Delay Calculation and Formulas Table 8 shows formulas to calculate an estimated delay. Once you have the desired estimated delay, fill out the parameter values in HiProvision, which shows the calculated ‘P+DP+DPh’. Table 8 Estimated Delay Formulas Delay No Hitless Switching Hitless Switching TDMFramesPerPacket * 125... -
Page 21: Tuning Ces = Tuning Tdm Frames/Packet
When Differential Delay is very important for your application, we strongly advise to: Not use Hitless Switching with Single Path (§2.2.6), all the other modes are OK; Use SAToP (=future) (§2.2.3) when the differential delay must be as low as possible: Maximum differential delay SAToP: 157 µs;... -
Page 22: Abbreviations
5. ABBREVIATIONS Alarm Indication Signal Alternate Mark Inversion BERT Bit Error Ratio Tester Conformité Européenne Circuit Emulation Service CESoPSN Circuit Emulation Service over Packet Switched Network Central Switching Module Electromagnetic Interference Error Ethernet Fault IEEE Institute of Electrical and Electronics Engineers InterFace Module kbps Kilobit per Second...
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